How DXC Technology built a multi-model AI substrate on Amazon Bedrock | Amazon Web Services
This post is co-written with Nick Tamburro of DXC Technology.
When an AI agent can act on a production server at a bank or a hospital, access to a capable foundation model is only the starting point. Recent public incidents, in which autonomous agents took destructive actions their operators never intended, show that the real risk is rarely the model alone. It’s an agent holding more authority than its task requires, with nothing in the architecture to stop it. Avoiding that starts with a substrate that governs model access at the infrastructure level.
Amazon Bedrock provides that substrate. Through a single managed interface, it gives DXC OASIS access to multiple foundation models: Anthropic Claude, Amazon Nova, Meta Llama, and open-weight families. Amazon Bedrock Guardrails enforce content filtering, personally identifiable information (PII) redaction, and denied-topic policies uniformly across every model. AWS PrivateLinkkeeps inference traffic within the customer’s virtual private...
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